604240220 has 24 divisors (see below), whose sum is σ = 1309838208. Its totient is φ = 233899200.

The previous prime is 604240207. The next prime is 604240243. The reversal of 604240220 is 22042406.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 604240192 and 604240201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486671 + ... + 487910.

It is an arithmetic number, because the mean of its divisors is an integer number (54576592).

Almost surely, 2^604240220 is an apocalyptic number.

It is an amenable number.

604240220 is an abundant number, since it is smaller than the sum of its proper divisors (705597988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

604240220 is a wasteful number, since it uses less digits than its factorization.

604240220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974621 (or 974619 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 604240220 is about 24581.2981756456. The cubic root of 604240220 is about 845.4148587866.

Adding to 604240220 its reverse (22042406), we get a palindrome (626282626).

The spelling of 604240220 in words is "six hundred four million, two hundred forty thousand, two hundred twenty".